11:59 AM EDT, 09/15/2025 (MT Newswires) -- Mark W Kowlzan, Director, Chairman & CEO, on September 11, 2025, sold 25,000 shares in Packaging Corp Of America ( PKG ) for $5,399,250. Following the Form 4 filing with the SEC, Kowlzan has control over a total of 459,511 common shares of the company, with 437,378 shares held directly and 22,133 controlled indirectly.

SEC Filing:

https://www.sec.gov/Archives/edgar/data/75677/000119312525203152/xslF345X05/ownership.xml

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